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Distinguishing positional isomers of hexachlorinated biphenyls by ion–molecule reactions in a triple‐quadrupole instrument
Author(s) -
White Earl L.,
Bursey Maurice M.
Publication year - 1989
Publication title -
biomedical and environmental mass spectrometry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.475
H-Index - 121
eISSN - 1096-9888
pISSN - 0887-6134
DOI - 10.1002/bms.1200180609
Subject(s) - ion , molecule , yield (engineering) , chemistry , ammonia , quadrupole , analytical chemistry (journal) , computational chemistry , organic chemistry , atomic physics , materials science , physics , metallurgy
The ion–molecule reaction between six hexachlorobiphenyl positive molecular ions and ammonia in a triplequadrupole instrument to yield [M + NH 3 – HCl] +. ions gives products whose abundances differ by at least an order of magnitude under uniform conditions. This reaction offers a way of distinguishing many isomers by a reaction that is different from the other demonstrated route, the loss of HCl from [M + O – Cl] − ions.

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